InterviewSolution
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InterviewSolution
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Acid-catalysed hydration of alkenes except ethene leads to the formation ofA. primary alcoholB. secondary or tertiary alcoholsC. mixture of primary and secondary alcoholsD. mixture of secondary and tertiary alcohols |
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Answer» Correct Answer - B Ethene gives `1^@` alcohol (ethanol) , propene gives `2^@` alcohol while 2-methylpropene gives `3^@` alcohol. `underset"Ethene"(CH_2=CH_2)underset((ii)H_3O^+)overset((i)Conc. H_2SO_4)to underset"Ethanol"(CH_3CH_2OH)` `underset"Propene"(CH_3-CH=CH_2)underset((ii)H_3O^+)overset((i)Conc. H_2SO_4)to underset(2^@ "Alcohol")(CH_3-CHOH-CH_3)` `underset"2-Methylpropene"(CH_3-oversetoverset(CH_3)|C=CH_2)underset((ii)H_3O^+)overset(Conc. H_2SO_4)to underset(3^@ "Alcohol")((CH_3)_3COH)` Thus , either `2^@` or `3^@` alcohol is formed. |
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